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Draw.pas
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unit Draw;
interface
uses windows, graphics, types, tecmain, menus, sysutils, classes, dialogs,
Forms, Fileops, math, ExtCtrls;
function NorthAndCircle(FCanvas : TCanvas; FCenterX, FCenterY: integer; FRadius: word): Boolean;
procedure GreatCircle(FHandle: THandle; FormCanvas : TCanvas; FCenterX,FCenterY : Integer;
FRadius: word ; FDipDir, FDip: single; Fz : Integer; FNumbering: boolean; FPen: HPen; FLogPen: TLogPen);
procedure PartialGreatCircle(FHandle: THandle; FormCanvas : TCanvas; FCenterX,FCenterY : Integer;
FRadius: Word ; FDipDir, FDip, FStartPitch, FHalfOpeningAngle: Single; Fz : Integer; FNumbering: Boolean; FPen: HPen; FLogPen: TLogPen);
procedure SmallCircle2(FHandle: THandle; FormCanvas: TCanvas ; FCenterX,FCenterY,FRadius: Integer;
FAzimuth, FPlunge, FAperture, FSymbolSize: Single; FFillFlag: Boolean;
FSymbol : TPlotSymbol; FBrush: TBrush; FPen: HPen);
procedure Striae(FHandle: THandle; FormCanvas : TCanvas; FCenterX,FCenterY : Integer; FRadius : Word;
FDipDir,FDip,FAzimuth,FPlunge, FSymbolSize: Single; FSense,FQuality,Fz : Integer;
FNumbering, FQualityOn, FFillFlag: boolean; Fext: TExtension; FPen: TPen; FPenBrush, FFillBrush: TBrush);
procedure HoepSymbol2(FHandle: HDC; FormCanvas : TCanvas; FCenterX,FCenterY : Integer; FRadius : Word;
var FSense : Integer; FQuality: Integer; FDipDir, FDip,FAzimuth,FPlunge,FSymbolsize : Single;
Fz: Integer; FNumbering, FQualityOn, FFillFlag: boolean; FPen: TPen; FPenBrush,FFillBrush: TBrush);
procedure CreateMetafile(var FMetafile : TMetafile; var FEnhMetafile : TEnhMetafile;
Fwritewmf: boolean);
procedure SetMetafileSize(var MyGraphic: TGraphic; Fwritewmf: boolean);
procedure PrepareMetcan(var FCanvas : TCanvas;FMetafile : TMetafile; FEnhMetafile : TEnhMetafile;
Fwritewmf: boolean);
procedure Lineation(FHandle: THandle; FormCanvas: TCanvas; FCenterX,FCenterY,FRadius: Integer;
FAzimuth, FPlunge, FSymbolSize : Single; Fz: Integer; FNumbering,
FFillFlag: Boolean;FSymbol : TPlotSymbol; FBrush: TBrush; FPen: HPen);
function CalculateMousePos(FPaintBox: TPaintBox; X,Y: Integer;
var MouseAzimuth, MouseDip :Single; FPoleflag: Boolean): Boolean;
type flinedata=class(TObject)
MyDC: HDC;
i, a, b, segment,npoints: Integer;
startpoint, lineendpoint: TPoint;
fresult: boolean;
end;
Function WMFtoDXFHGL(
DC:hDC; // handle of device context
//MetafileHandle: THandle;
HANDLETABLE: PHandletable; // address of metafile handle table
METARECORD: PMetarecord; // address of metafile record
nObj: Integer; // count of objects
MyVectorFile: TVectorgraphics // address of optional data
): Integer; stdcall;
Function EMFtoDXFHGL(
DC:hDC; // handle of device context
HANDLETABLE: PHandletable; // address of metafile handle table
EnhMETARECORD: PEnhMetaRecord; // address of metafile record
nObj: Integer; // count of objects
MyVectorFile: TVectorgraphics // address of optional data
): Integer; stdcall;
// LineDDA
Function LineDDAProc(
X: Integer; // x-coordinate of point being evaluated
Y: Integer; // y-coordinate of point being evaluated
lpData: flinedata // address of application-defined data
): Integer; stdcall;
Function LineTest(
X: Integer; // x-coordinate of point being evaluated
Y: Integer; // y-coordinate of point being evaluated
lpData: flinedata // address of application-defined data
): Integer; stdcall;
function Polygon(DC: HDC; var Points; Count: Integer):boolean;
function Line(DC: HDC; X1, Y1, X2, Y2: Integer; FLogPen: TLogPen): boolean;
exports WMFtoDXFHGL, EMFtoDXFHGL, LineDDAProc, linetest;
implementation
uses printdia, VirtDip, Rotate;
function Polygon(DC: HDC; var Points; Count: Integer):boolean;
begin
Windows.Polygon(DC, Points, Count);
end;
function NorthAndCircle(FCanvas : TCanvas; FCenterX, FCenterY: integer; FRadius: word): Boolean;
var FHandle : THandle;
//************Draws north arrow and surrounding circle of stereonet*************
begin
FHandle := FCanvas.Handle;
{GetMem(Points,sizeof(Points^[0])*4);}
try
//Draw north arrow
{I:=0;
Points^[I].x:=FCenterX;
Points^[I].y:=FCenterY-FRadius;
Inc(I);
Points^[I].x:=FCenterX;
Points^[I].y:=FCenterY-FRadius-FRadius div 5;
Inc(I);
Points^[I].x:=FCenterX-FRadius div 50;
Points^[I].y:=FCenterY-FRadius-FRadius div 7;
PolyLine(FHandle,Points^[0],3);
I:=0;
Points^[I].x:=FCenterX-FRadius div 30;
Points^[I].y:=FCenterY-FRadius-FRadius div 25;
Inc(I);
Points^[I].x:=FCenterX-FRadius div 30;
Points^[I].y:=FCenterY-FRadius-FRadius div 8;
Inc(I);
Points^[I].x:=FCenterX+FRadius div 30;
Points^[I].y:=FCenterY-FRadius-FRadius div 25;
Inc(I);
Points^[I].x:=FCenterX+FRadius div 30;
Points^[I].y:=FCenterY-FRadius-FRadius div 8;
PolyLine(FHandle,Points^[0],4);
MoveToEx(FHandle,FCenterX, FCenterY-FRadius-FRadius div 5,Nil);
LineTo(FHandle,FCenterX+FRadius div 50, FCenterY-FRadius-FRadius div 7);}
{Draw enveloping circle }
Ellipse(FHandle,FCenterX-FRadius, FCenterY-FRadius, FCenterX+FRadius, FCenterY+FRadius);
{Draw origin}
MoveToEx(FHandle, FCenterX-FRadius div 30, FCenterY,Nil);
LineTo(FHandle,FCenterX+FRadius div 30+1, FCenterY);
MoveToEx(FHandle,FCenterX, FCenterY-FRadius div 30,Nil);
LineTo(FHandle,FCenterX, FCenterY+FRadius div 30+1);
{Draw ticks}
MoveToEx(FHandle,FCenterX, FCenterY-FRadius,Nil);
LineTo(FHandle,FCenterX, FCenterY-FRadius-20);
MoveToEx(FHandle,FCenterX, FCenterY+FRadius,Nil);
LineTo(FHandle,FCenterX, FCenterY+FRadius+10);
MoveToEx(FHandle,FCenterX-FRadius, FCenterY,Nil);
LineTo(FHandle,FCenterX-FRadius-10, FCenterY);
MoveToEx(FHandle,FCenterX+FRadius, FCenterY,Nil);
LineTo(FHandle,FCenterX+FRadius+10, FCenterY);
finally
//FreeMem(Points,sizeof(Points^[0])*4);
end;
end;
procedure GreatCircle(FHandle: THandle; FormCanvas : TCanvas; FCenterX,FCenterY : Integer;
FRadius: Word ; FDipDir, FDip: single; Fz : Integer; FNumbering: boolean; FPen: HPen; FLogPen: TLogPen);
var Points: POpenPointArray;
FText: String;
PenStore: HPen;
RotDipDir, RotDip, RP, C, D, DegRotRhra, DegRotAzi, DegRotPlun, AM,
E1, E2, E3, ATA, FI, CosAM, SinAM, RR,
E1E1,E1E2, E1E3, E2E3, E2E2, E3CC, BBE1E2, AA, BB, CC, DivRatio: single;
N, I: Integer;
NA: Array[1..3,1..2] of single;
yy: array [1..3] of single;
begin
PenStore:=SelectObject(FHandle,FPen);
//************************************
GetMem(Points,sizeof(Points^[0])*(PolySegments+1));
try
E1E1:=Frac(FDipDir);
I:=Trunc(FDipDir);
DegRotAzi := DegToRad((I+180) mod 360 + E1E1);
If FDip=0 then FDip:=0.01; //Bugfix 20000128 build 1.150
DegRotPlun:= DegToRad(90-FDip);
RotDipDir:=(I+270) mod 360 + E1E1;
IF (RotDipDir=90) OR (RotDipDir=180) OR (RotDipDir=270) THEN AM:= DegToRad(RotDipDir+0.01)
else AM:= DegToRad(RotDipDir);
E1E1:=COS(DegRotPlun);
E1:= COS(DegRotAzi)*E1E1;
E2:= SIN(DegRotAzi)*E1E1;
E3:= SIN(DegRotPlun);
E1E1:=E1*E1;
E1E2:=E1*E2;
E1E3:=E1*E3;
E2E2:=E2*E2;
E2E3:=E2*E3;
CosAM:=Cos(AM);
SinAM:=Sin(AM);
C:=FRadius*SinAM;
D:=FRadius*CosAM;
Points^[0].x:=Round(FCenterX+C);
Points^[0].y:=Round(FCenterY-D);
n:=PolySegments;
Points^[n].x:=Round(FCenterX-C);
Points^[n].y:=Round(FCenterY+D);
DivRatio:=Pi/Polysegments;
RR:=FRadius*SQRT2;
For N:= 1 to PolySegments-1 do
begin
//Rotation algorhythm begin**************
DegRotRhra:= N*DivRatio;
AA:= COS(DegRotRhra);
BB:= 1-AA;
CC:= SIN(DegRotRhra);
E3CC:=E3*CC;
BBE1E2:=BB*E1E2;
NA[1,1]:= AA+BB*E1E1;
NA[1,2]:= BBE1E2-E3CC;
NA[2,1]:= BBE1E2+E3CC;
NA[2,2]:= AA+BB*E2E2;
NA[3,1]:= BB*E1E3-CC*E2;
NA[3,2]:= BB*E2E3+CC*E1;
FOR I:= 1 TO 3 do
yy[I]:= NA[I,1]*CosAM + NA[I,2]*SinAM;
IF yy[3]<0 THEN
begin
yy[1]:= -yy[1];
yy[2]:= -yy[2];
yy[3]:= -yy[3];
end;
IF yy[1]<>0 THEN ATA:= ArcTan(yy[2]/yy[1]);
IF yy[1]<=0 THEN ATA:= ATA+PI;
IF (yy[1]>0) AND (yy[2]<0) THEN ATA:= ATA+2*PI;
IF (yy[1]=0) AND (yy[2]>0) THEN ATA:= PI/2;
IF yy[3]>0.9999 THEN FI:= PI/2 else FI:= ArcTan(yy[3]/SQRT(1-yy[3]*yy[3]));//***
//Rotation algorhythm end****************
RP:= RR*SIN((Pi/2-FI)/2);
Points^[n].x:=Round(FCenterX+Rp*Sin(ATA));
Points^[n].y:=Round(FCenterY-Rp*Cos(ATA));
end; //for
PolyLine(FHandle,Points^[0],PolySegments+1);
finally
FreeMem(Points,sizeof(Points^[0])*(PolySegments+1));
end;
If FNumbering then //Numbering planes
begin
FText:=IntToStr(Fz+1);
If D>=0 then
if C<0 then TextOut(FHandle, Round(FCenterX-C), Round(FCenterY+D), PChar(FText),Length(FText)) //Lower right quadrant
else TextOut(FHandle,Round(FCenterX-C-FormCanvas.TextWidth(FText)), Round(FCenterY+D), PChar(FText),Length(FText)) //Lower left quadrant
else
If C<0 then TextOut(FHandle,Round(FCenterX-C), Round(FCenterY+D-FormCanvas.TextHeight(FText)), PChar(FText),Length(FText)) //Upper right quadrant//
else TextOut(FHandle,Round(FCenterX-C-FormCanvas.TextWidth(FText)), Round(FCenterY+D-FormCanvas.TextHeight(FText)), PChar(FText),Length(FText)); //Upper left quadrant
end;
//************************************
SelectObject(FHandle,PenStore);
end;
procedure PartialGreatCircle(FHandle: THandle; FormCanvas : TCanvas; FCenterX,FCenterY : Integer;
FRadius: Word ; FDipDir, FDip, FStartPitch, FHalfOpeningAngle: Single; Fz : Integer; FNumbering: Boolean; FPen: HPen; FLogPen: TLogPen);
var Points1, Points2: POpenPointArray;
FText: String;
PenStore: HPen;
RotDipDir, RotDip, RP, C, D, DegRotRhra, DegRotAzi, DegRotPlun, AM,
E1, E2, E3, ATA, FI, CosAM, SinAM, RR,
E1E1,E1E2, E1E3, E2E3, E2E2, E3CC, BBE1E2, AA, BB, CC, DivRatio: single;
N, I, steps: Integer;
NA: Array[1..3,1..2] of single;
yy: array [1..3] of single;
begin
PenStore:=SelectObject(FHandle,FPen);
//************************************
GetMem(Points1,sizeof(Points1^[0])*(PolySegments+1));
GetMem(Points2,sizeof(Points2^[0])*(PolySegments+1));
try
Steps:=Abs(Trunc((FHalfOpeningAngle+FStartPitch)/(180/PolySegments)));
E1E1:=Frac(FDipDir);
I:=Trunc(FDipDir);
DegRotAzi := DegToRad((I+180) mod 360 + E1E1);
DegRotPlun:= DegToRad(90-FDip);
RotDipDir:=(I+270) mod 360 + E1E1;
IF (RotDipDir=90) OR (RotDipDir=180) OR (RotDipDir=270) THEN AM:= DegToRad(RotDipDir+0.01)
else AM:= DegToRad(RotDipDir);
E1E1:=COS(DegRotPlun);
E1:= COS(DegRotAzi)*E1E1;
E2:= SIN(DegRotAzi)*E1E1;
E3:= SIN(DegRotPlun);
E1E1:=E1*E1;
E1E2:=E1*E2;
E1E3:=E1*E3;
E2E2:=E2*E2;
E2E3:=E2*E3;
CosAM:=Cos(AM);
SinAM:=Sin(AM);
C:=FRadius*SinAM;
D:=FRadius*CosAM;
Points1^[0].x:=Round(FCenterX+C); //starting point
Points1^[0].y:=Round(FCenterY-D);
n:=PolySegments;
Points1^[n].x:=Round(FCenterX-C); //ending point
Points1^[n].y:=Round(FCenterY+D);
DivRatio:=Pi/Polysegments;
RR:=FRadius*SQRT2;
For N:= 1 to PolySegments-1 do
begin
//Rotation algorhythm begin**************
DegRotRhra:= N*DivRatio;
AA:= COS(DegRotRhra);
BB:= 1-AA;
CC:= SIN(DegRotRhra);
E3CC:=E3*CC;
BBE1E2:=BB*E1E2;
NA[1,1]:= AA+BB*E1E1;
NA[1,2]:= BBE1E2-E3CC;
NA[2,1]:= BBE1E2+E3CC;
NA[2,2]:= AA+BB*E2E2;
NA[3,1]:= BB*E1E3-CC*E2;
NA[3,2]:= BB*E2E3+CC*E1;
FOR I:= 1 TO 3 do
yy[I]:= NA[I,1]*CosAM + NA[I,2]*SinAM;
IF yy[3]<0 THEN
begin
yy[1]:= -yy[1];
yy[2]:= -yy[2];
yy[3]:= -yy[3];
end;
IF yy[1]<>0 THEN ATA:= ArcTan(yy[2]/yy[1]);
IF yy[1]<=0 THEN ATA:= ATA+PI;
IF (yy[1]>0) AND (yy[2]<0) THEN ATA:= ATA+2*PI;
IF (yy[1]=0) AND (yy[2]>0) THEN ATA:= PI/2;
IF yy[3]>0.9999 THEN FI:= PI/2 else FI:= ArcTan(yy[3]/SQRT(1-yy[3]*yy[3]));//***
//Rotation algorhythm end****************
RP:= RR*SIN((Pi/2-FI)/2);
Points1^[N].x:=Round(FCenterX+Rp*Sin(ATA));
Points1^[N].y:=Round(FCenterY-Rp*Cos(ATA));
end; //for
PolyLine(FHandle,Points1^[0],PolySegments+1);
finally
FreeMem(Points1,SizeOf(Points1^[0])*(PolySegments+1));
FreeMem(Points2,SizeOf(Points2^[0])*(PolySegments+1));
end;
If FNumbering then //Numbering planes
begin
FText:=IntToStr(Fz+1);
If D>=0 then
if C<0 then TextOut(FHandle, Round(FCenterX-C), Round(FCenterY+D), PChar(FText),Length(FText)) //Lower right quadrant
else TextOut(FHandle,Round(FCenterX-C-FormCanvas.TextWidth(FText)), Round(FCenterY+D), PChar(FText),Length(FText)) //Lower left quadrant
else
If C<0 then TextOut(FHandle,Round(FCenterX-C), Round(FCenterY+D-FormCanvas.TextHeight(FText)), PChar(FText),Length(FText)) //Upper right quadrant//
else TextOut(FHandle,Round(FCenterX-C-FormCanvas.TextWidth(FText)), Round(FCenterY+D-FormCanvas.TextHeight(FText)), PChar(FText),Length(FText)); //Upper left quadrant
end;
//************************************
SelectObject(FHandle,PenStore);
end;
procedure SmallCircle2(FHandle: THandle; FormCanvas: TCanvas ; FCenterX,FCenterY,FRadius: Integer;
FAzimuth, FPlunge, FAperture, FSymbolSize: Single; FFillFlag: Boolean;
FSymbol : TPlotSymbol; FBrush: TBrush; FPen: HPen);
var i: integer;
dummy, x1, y1, z1,x2,y2,z2,degAperture, degplunge, degAzimuth, AI, FI, RP,
x,y,z, xe, ye: single;
begin
SelectObject(FHandle,FPen);
XE:=0;YE:=0;
For I:=0 to SmallPolySegments+1 do
begin
dummy:=2*I*Pi/SmallPolySegments;
degAperture:=DegToRad(FAperture);
degplunge:=degtorad(fplunge);
degAzimuth:=degtorad(fazimuth);
Z1 := -Sin(degAperture)*COS(dummy);
X1 := Cos(DegAperture)*Cos(degPlunge)-Z1*Sin(degPlunge);
y1 := Sin(degAperture)*SIN(dummy);
X2 := X1*Cos(degAzimuth)-y1*Sin(degAzimuth);
y2 := y1*Cos(degAzimuth)+X1*Sin(degAzimuth);
z2 := Z1*Cos(degPlunge)+Cos(degAperture)*Sin(degPlunge);
IF z2<0 THEN
begin
X2 := -X2;
y2 := -y2;
z2 := -z2;
end;
IF ABS(X2)<0.0001 THEN
begin
AI := PI/2;
IF y2<0 THEN AI := PI*3/2;
end
else
begin
AI := ABS(ArcTan(y2/X2));
IF y2<0 THEN AI := 2*PI-AI;
IF X2<0 THEN AI := PI - AI;
IF ABS(y2)<0.001 then If X2<0 THEN AI := PI else AI := 0;
end;
IF ABS(1-z2)<0.0001 THEN FI:=PI/2
else FI := ArcTan(z2/SQRT(1-z2*z2));
RP := FRadius*SQRT2*SIN((PI/2-FI)/2);
x := FCenterX+RP*SIN(AI);
y := FCenterY-RP*COS(AI);
Z := SQRT(Sqr(XE-x)+Sqr(YE-y));
IF Z<FRadius/2 THEN //bugfix 980928
begin
MoveToEx(FHandle,Round(Xe), Round(Ye), nil);
LineTo(FHandle, Round(x), Round(y));
end;
XE := x;
YE := y;
end;
end;
procedure Striae(FHandle: THandle; FormCanvas : TCanvas; FCenterX,FCenterY : Integer; FRadius : Word;
FDipDir,FDip,FAzimuth,FPlunge, FSymbolSize: Single; FSense,FQuality,Fz : Integer;
FNumbering, FQualityOn, FFillFlag: boolean; Fext: TExtension; FPen: TPen; FPenBrush, FFillBrush: TBrush);
var DegAzimuth,DegArrow,h : single;
StartX1,StartY1,StartX2,StartY2,EndX1,EndY1,EndX2,EndY2,EndX3,EndY3,
EndX4,EndY4,startx5,starty5, endx5,endy5,N,C,D,i,fpolysegments,
indexbuffer : Integer;
Points : POpenPointArray;
FText: String;
cosfazimuth,sinfazimuth,xpf,ypf,dxp1,dyp1,dxp2,dyp2,dxp3,dyp3, dxq,dyq,xq,yq,xp1,yp1,
xp2,yp2,xp3,yp3, DegfDipdir,x,y,r,openwidth,a,b,error,errorbuffer: single;
BrushStore: HBrush;
PenStore: HPen;
PenstyleStore: TPenstyle;
begin
//Calculations for lineation
DegAzimuth := DegToRad(FAzimuth);
DegArrow := DegToRad(ArrowAngle);
CosFAzimuth:=Cos(DegAzimuth);
SinFAzimuth:=Sin(DegAzimuth);
h := FRadius*SQRT2*SIN(DegToRad((90-FPlunge))/2);
C:=Round(SinFAzimuth*h);
D:=Round(CosFAzimuth*h);
XPf:=FCenterX+C;
YPf:=FCenterY-D;
//Correct lineation
{If (Fext=COR) or (Fext=PEK) or (Fext=PTF) or (Fext=HOE) or (FExt=STF) then
begin
DegfDipDir := DegToRad(FDipDir-90);
A:=Round(FRadius*Sin(DegfDipDir));
B:=Round(FRadius*Cos(DegfDipDir));
If FDip<90 then
begin
h:=FRadius*SQRT2*SIN(DegToRad((90-FDip))/2);
DegfDipDir:=-DegfDipDir;
X:=FCenterX-(FRadius*FRadius-h*h)/2/h*Cos(DegfDipDir);
Y:=FCenterY+(FRadius*FRadius-h*h)/2/h*Sin(DegfDipDir);
R:=(h*h + FRadius * FRadius)/2/h;
OpenWidth:=ArcSin(FRadius/R);
DegfDipDir:=DegToRad(FDipDir);
fpolysegments:=100;
GetMem(Points,sizeof(Points^[0])*(FPolySegments+1));
errorbuffer:=10000;
indexbuffer:=0;
try
For N:= 0 to fPolySegments do
begin
Points^[n].x:=Round(X+R*Sin(DegfDipDir-OpenWidth*(1-2*N/fPolySegments)));
Points^[n].y:=Round(Y-R*Cos(DegfDipDir-OpenWidth*(1-2*N/fPolySegments)));
error:=(Points^[n].x-xpf)*(Points^[n].x- xpf)+(Points^[n].y-ypf)*(Points^[n].y- ypf);
if error<errorbuffer then
begin
errorbuffer:=error;
indexbuffer:=n;
end;
end;
xpf:=Points^[indexbuffer].x;
ypf:=Points^[indexbuffer].y;
finally
FreeMem(Points,sizeof(Points^[0])*(fPolySegments+1));
end;
end;
end;}
//Calculations for arrows
dXQ:=FSymbolSize*CosFAzimuth;
dYQ:=FSymbolSize*SinFAzimuth;
If (FQualityOn and ((FQuality=quality_1) or (FQuality=quality_0)))
or (not FQualityOn and (GlobalArrowStyle=0)) then
IF FPen.Color=clBlack then SelectObject(FHandle,GetStockObject(BLACK_BRUSH))
else If FPen.Color=clWhite then SelectObject(FHandle, GetStockObject(WHITE_BRUSH))
else BrushStore:=SelectObject(FHandle, FPenBrush.Handle);
PenStyleStore:=FPen.Style;
FPen.Style:=psSolid;
PenStore:=SelectObject(FHandle,FPen.Handle);
If (FSense=3) or (FSense=4) then
begin
dXP1:=(AngSSArrowLength-AngSSArrowHeadLength)*SinFAzimuth;
dYP1:=(AngSSArrowLength-AngSSArrowHeadLength)*CosFAzimuth;
dXP2:=AngSSArrowLength*SinFAzimuth;
dYP2:=AngSSArrowLength*CosFAzimuth;
dXP3:=AngSSArrowHeadLength*tan(DegAngSSArrowAngle)*CosFAzimuth;
dYP3:=AngSSArrowHeadLength*tan(DegAngSSArrowAngle)*SinFAzimuth;
For i:=0 to 1 do
begin
If i=0 then //lower arrow
begin
XQ:=XPf+dXQ;
YQ:=YPf+dYQ;
end
else
begin //upper arrow
XQ:=XPf-dXQ;
YQ:=YPf-dYQ;
end;
If ((i=0) and (Fsense=4)) or ((i=1) and (Fsense=3)) then
begin
XP1:=XQ+dXP1;
YP1:=YQ-dYP1;
XP2:=XQ+dXP2;
YP2:=YQ-dYP2;
end
else
begin
XP1:=XQ-dXP1;
YP1:=YQ+dYP1;
XP2:=XQ-dXP2;
YP2:=YQ+dYP2;
end;
If i=0 then //lower arrow
begin
XP3:=XP1+dXP3;
YP3:=YP1+dYP3;
end
else
begin //upper arrow
XP3:=XP1-dXP3;
YP3:=YP1-dYP3;
end;
MoveToEx(FHandle,Round(XQ),Round(YQ), Nil);
LineTo(FHandle,Round(XP1), Round(YP1));
GetMem(Points,sizeof(Points^[0])*4);
try
n:=0;
Points^[N].X:=Round(xp1);
Points^[N].y:=Round(yp1);
inc(n);
Points^[N].X:=Round(xp2);
Points^[N].y:=Round(yp2);
inc(n);
//LineDDA(Round(xp1),Round(yp1),Round(xp2),Round(yp2),@LineDDAProc,Longint(nil));
Points^[N].X:=Round(xp3);
Points^[N].y:=Round(yp3);
inc(n);
Points^[N].X:=Round(xp1);
Points^[N].y:=Round(yp1);
If (FQualityOn and (FQuality <> quality_3)) or (not FQualityOn and (GlobalArrowStyle<>2)) then
Polygon(FHandle,Points^[0],4)
else
Polyline(FHandle,Points^[0],3);
finally
FreeMem(Points,sizeof(Points^[0])*4);
end; //try-finally
end; //for loop
end
else
begin
dxq:=AngNRArrowheadLength*tan(DegAngNRArrowAngle)*cosfazimuth;
dyq:=-AngNRArrowheadLength*tan(DegAngNRArrowAngle)*sinfazimuth;
dxp1:=AngNRArrowLength*sinfazimuth/2;
dyp1:=AngNRArrowLength*cosfazimuth/2;
GetMem(Points,sizeof(Points^[0])*4);
try
Case FSense of
1:
begin
xp1:=XPF+dxp1; //tip of arrow on opposite side
yp1:=YPF-dyp1;
xQ:=XPF-(AngNRArrowLength/2-AngNRArrowheadLength)*sinfazimuth;
YQ:=YPF+(AngNRArrowLength/2-AngNRArrowheadLength)*cosfazimuth;
N:=1;
Points^[N].x:=Round(XPF-dxp1); //tip of arrow where arrowhead is located
Points^[N].y:=Round(YPF+dyp1);
end;
2:
begin
xQ:=XPF+(AngNRArrowLength/2-AngNRArrowheadLength)*sinfazimuth;
YQ:=YPF-(AngNRArrowLength/2-AngNRArrowheadLength)*cosfazimuth;
xp1:=XPF-dxp1; //tip of arrow on opposite side
yp1:=YPF+dyp1;
N:=1;
Points^[N].x:=Round(XPF+dxp1); //tip of arrow where arrowhead is located
Points^[N].y:=Round(YPF-dyp1);
end;
0, 5:
begin
xp1:=XPF+dxp1; //tip of arrow on opposite side
yp1:=YPF-dyp1;
N:=1;
Points^[N].x:=Round(XPF-dxp1); //tip of arrow where arrowhead is located
Points^[N].y:=Round(YPF+dyp1);
end;
end;
MoveToEx(FHandle,Round(xp1),Round(yp1), nil); //Draw Arrow line
LineTo(FHandle,Points^[N].x,Points^[N].y);
If (fsense<>0) and (fsense<>5) then
begin
Dec(N);
Points^[N].x:=Round(XQ+dxq);
Points^[N].y:=Round(YQ-dyq);
Inc(N,2);
Points^[N].x:=Round(XQ-dxq);
Points^[N].y:=Round(YQ+dyq);
Inc(N);
Points^[N].x:=Points^[0].x;
Points^[N].y:=Points^[0].y;
If (FQualityOn and (FQuality <> quality_3)) or (not FQualityOn and (GlobalArrowStyle<>2)) then
Polygon(FHandle,Points^[0],4)
else
Polyline(FHandle,Points^[0],3);
end;
finally
Freemem(Points,sizeof(Points^[0])*4);
end;
end;
If (FQualityOn and ((FQuality=quality_1) or (FQuality=quality_0)))
or (not FQualityOn and (GlobalArrowStyle=0)) then
SelectObject(FHandle,GetStockObject(HOLLOW_BRUSH));
//Draw circle of lineation
if FFillFlag then
If FFillBrush.Color=clWhite then BrushStore:=SelectObject(FHandle, GetStockObject(WHITE_BRUSH))
else if FFillBrush.Color=clBlack then BrushStore:=SelectObject(FHandle, GetStockObject(BLACK_BRUSH))
else BrushStore:=SelectObject(FHandle,FFillBrush.Handle)
else SelectObject(FHandle,GetStockObject(HOLLOW_BRUSH));
FSymbolSize:=FSymbolSize+1;
Ellipse(FHandle,Round(XPf-FSymbolSize), Round(YPf-FSymbolSize),
Round(XPf+FSymbolSize), Round(YPf+FSymbolSize));
if Ffillflag then SelectObject(FHandle, BrushStore);
FPen.Style:=PenStyleStore;
SelectObject(FHandle, PenStore);
If FNumbering then //Numbering lineations
begin
FText:=IntToStr(Fz+1);
TextOut(FHandle, FCenterX+C+7, FCenterY-D-FormCanvas.TextHeight(FText) div 2, PChar(FText),Length(FText));
end;
end;
procedure HoepSymbol2(FHandle: HDC; FormCanvas : TCanvas; FCenterX,FCenterY : Integer; FRadius : Word;
var FSense : Integer; FQuality: Integer; FDipDir, FDip,FAzimuth,FPlunge,FSymbolsize : Single;
Fz: Integer; FNumbering, FQualityOn, FFillFlag: boolean; FPen: TPen; FPenBrush,FFillBrush: TBrush);
var radhoep, DegArrow, DegAzimuth, AziLin,Pitch,nazim,nplunge, h, degnazim : single;
XDif,YDif,XPf,YPf,N,FXPT,FYPT, xpf4, ypf4,xq,yq,XPfdif,Ypfdif,x,y : Integer;
Points : POpenPointArray;
FText: String;
FillBrushStore, PenBrushStore: HBrush;
PenStore: HPen;
begin
PenStore:=SelectObject(FHandle, FPen.Handle);
IF FPlunge = 90 THEN FPlunge := 89.99;
IF FDip= 90 THEN FDip := 89.99;
CorrectLineation(FDipDir, FDip, FAzimuth, FPlunge, FAzimuth, FPlunge); //BugFix 030118
//for the case when lineation is not aligned on fault plane
IF FAzimuth-FDipDir=270 THEN
FAzimuth:=FAzimuth+0.01;
IF FAzimuth-FDipDir=-270 THEN
FAzimuth:=FAzimuth-0.01;
If Abs(Fazimuth-FDipDir)=0 then FAzimuth:=FAzimuth+0.01; //bugfix 981021 to fix dipslip problem
DegAzimuth:=DegToRad(FAzimuth);
Pitch := ArcTan((Tan(DegAzimuth-DegToRad(FDipDir)-Pi/2))/COS(DegToRad(FDip)));
FSense:=ConvertSense(FSense, Pitch);
AziLin := DegToRad(Round(FDipDir + 180) MOD 360);
FXPT := Round(FRadius * SQRT2 * SIN(DegToRad(FDip) /2) * SIN(AziLin));
FYPT := Round(FRadius * SQRT2 * SIN(DegToRad(FDip) /2) * COS(AziLin));
XPF:=FCenterX+FXPT;
YPF:=FCenterY-FYPT;
//find great circle defined by lineation and pole to plane
FlaechLin(Round (FDipDir + 180) MOD 360,90-fdip,FAzimuth,FPlunge,true,NAzim,NPlunge);
h:=FRadius*SQRT2*SIN(DegToRad((90-NPlunge))/2);
if h=0 then h:=0.0001; //bugfix, to be removed
DegNAzim:=-DegToRad(NAzim-90);
X:=FCenterX-Round((FRadius*FRadius-h*h)/2/h*Cos(DegNAzim));
Y:=FCenterY+Round((FRadius*FRadius-h*h)/2/h*Sin(DegNAzim));
DegAzimuth:=arctan2(-FRadius*SQRT2*SIN(DegToRad(FDip)/2)*COS(AziLin)-((FRadius*FRadius-h*h)/2/h*Sin(DegNAzim)),
FRadius*SQRT2*SIN(DegToRad(FDip)/2)*SIN(AziLin)+((FRadius*FRadius-h*h)/2/h*Cos(DegNAzim)));
If (Abs(trunc(FAzimuth-RadToDeg(DegAzimuth)) mod 180 + frac(FAzimuth)-frac(RadToDeg(DegAzimuth)))>90) {or (Degazimuth<0)} then
//If Abs(Round(FAzimuth-trunc(RadToDeg(DegAzimuth))) mod 180) >90 then
if FSense=se_normal then Fsense:=1
else if FSense=1 then Fsense:= se_normal;
//****calculations for each dataset****
XDIF:=Round( HoepArrowheadLength*tan(DegHoepArrowAngle)*Cos(DegAzimuth));
YDIF:=Round(-HoepArrowheadLength*tan(DegHoepArrowAngle)*Sin(DegAzimuth));
XPfdif:=Round(HoepArrowLength*Sin(DegAzimuth)/2);
YPfdif:=Round(HoepArrowLength*Cos(DegAzimuth)/2);
GetMem(Points,sizeof(Points^[0])*3);
try
Case FSense of
1:
begin
XPF4:=XPF+XPfdif; //tip of arrow on opposite side
YPF4:=YPF-YPfdif;
xQ:=XPF-Round((HoepArrowLength/2-HoepArrowheadLength)*Sin(DegAzimuth));
YQ:=YPF+Round((HoepArrowLength/2-HoepArrowheadLength)*Cos(DegAzimuth));
N:=1;
Points^[N].x:=XPF-XPfdif; //tip of arrow where arrowhead is located
Points^[N].y:=YPF+YPfdif;
end;
2:
begin
xQ:=XPF+Round((HoepArrowLength/2-HoepArrowheadLength)*Sin(DegAzimuth));
YQ:=YPF-Round((HoepArrowLength/2-HoepArrowheadLength)*Cos(DegAzimuth));
XPF4:=XPF-XPfdif; //tip of arrow on opposite side
YPF4:=YPF+yPfdif;
N:=1;
Points^[N].x:=XPF+XPfdif; //tip of arrow where arrowhead is located
Points^[N].y:=YPF-yPfdif;
end;
0, 5:
begin
XPF4:=XPF+XPfdif; //tip of arrow on opposite side
YPF4:=YPF-YPfdif;
N:=1;
Points^[N].x:=XPF-XPfdif; //tip of arrow where arrowhead is located
Points^[N].y:=YPF+YPfdif;
end;
end;
MoveToEx(FHandle,XPF4,YPF4, nil); //Draw Arrow line
LineTo(FHandle,Points^[N].x,Points^[N].y);
Dec(N);
Points^[N].x:=XQ+XDIF;
Points^[N].y:=YQ-YDIF;
Inc(N,2);
Points^[N].x:=XQ-XDIF;
Points^[N].y:=YQ+YDIF;
If (fsense=se_normal) or (FSense=se_reverse) then
begin
If (FQualityOn and ((FQuality=quality_1) or (FQuality=quality_0)))
or (not FQualityOn and (GlobalArrowStyle=0)) then
Case FPen.Color of
clBlack: PenBrushStore:=SelectObject(FHandle,GetStockObject(BLACK_BRUSH));
clWhite: PenBrushStore:=SelectObject(FHandle,GetStockObject(WHITE_BRUSH));
else PenBrushStore:=SelectObject(FHandle,FPenBrush.Handle);
end;
If (FQualityOn and (FQuality <> quality_3)) or (not FQualityOn and (GlobalArrowStyle<>2)) then
Polygon(FHandle,Points^[0],3)
else
Polyline(FHandle,Points^[0],3);
end;
finally
If (FQualityOn and ((FQuality=quality_1) or (FQuality=quality_0)))
or (not FQualityOn and (GlobalArrowStyle=0)) then SelectObject(FHandle,GetStockObject(HOLLOW_BRUSH));
Freemem(Points,sizeof(Points^[0])*3);
end;
//Draw pole of fault plane
FSymbolsize:=FSymbolsize+1;
if FFillFlag then
begin
Case FFillBrush.Color of
clBlack: FillBrushStore:=SelectObject(FHandle,GetStockObject(BLACK_BRUSH));
clWhite: FillBrushStore:=SelectObject(FHandle,GetStockObject(WHITE_BRUSH));
else FillBrushStore:=SelectObject(FHandle, FFillBrush.Handle);
end;
end else SelectObject(FHandle,GetStockObject(HOLLOW_BRUSH));
Ellipse(FHandle,round(XPf-FSymbolsize), round(YPf-FSymbolsize),
round(XPf+FSymbolsize), round(YPf+FSymbolsize));
if FFillFlag then SelectObject(FHandle, FillBrushStore);
SelectObject(FHandle, PenStore);
IF FNumbering THEN {Numbering}
begin
FText:=IntToStr(Fz+1);
TextOut(FHandle,FCenterX+FXPT+7,FCenterY-FYPT-FormCanvas.TextHeight(FText) div 2,PChar(FText),Length(FText));
end;
end;
procedure CreateMetafile(var FMetafile : TMetafile; var FEnhMetafile : TEnhMetafile;
Fwritewmf: boolean);
begin
If FwriteWMF then
begin
FMetafile := TMetafile.Create;
SetMetafileSize(TGraphic(FMetafile),Fwritewmf);
end
else
begin
FEnhMetafile := TEnhMetafile.Create;
SetMetafileSize(TGraphic(FEnhMetafile), Fwritewmf);
end;
end;
procedure SetMetafileSize(var MyGraphic: TGraphic; fWriteWMF: boolean);
begin
If fWriteWMF then with MyGraphic as TMetafile do
begin
Height := MetafileHeight;
Width := MetafileWidth;
MMWidth := MetafileMMWidth;
MMHeight := MetafileMMHeight;
Inch := MetafileInch;
end
else with MyGraphic as TEnhMetafile do
begin
Height := MetafileHeight;
Width := MetafileWidth;
//MMWidth := MetafileMMWidth;
//MMHeight := MetafileMMHeight;
end;
end;
procedure PrepareMetcan(var FCanvas : TCanvas;FMetafile : TMetafile; FEnhMetafile : TEnhMetafile;
Fwritewmf: boolean);
var FHandle : THandle;
begin
If FWriteWMF then FCanvas := TMetafileCanvas.CreateWithComment(FMetafile, 0, 'LH_Plot', 'TectonicsFP')
else FCanvas := TEnhMetafileCanvas.CreateWithComment(FEnhMetafile, 0, 'LH_Plot', 'TectonicsFP');
FHandle:=FCanvas.Handle;
SetMapMode(FHandle, MM_Anisotropic);
SetWindowOrgEx(FHandle, 0, 0, nil);
If FWriteWMF then SetWindowExtEx(FHandle,metafilewidth,metafileheight, nil)
else SetWindowExtEx(FHandle,1, 1, nil);
SetBkColor(FHandle,clWhite);
SetBkMode(FHandle, TRANSPARENT);
SelectObject(FHandle,GetStockObject(HOLLOW_BRUSH));
SelectObject(FHandle,GetStockObject(BLACK_PEN));
With FCanvas do
begin
Font := TecMainWin.FontDialog1.Font;
//Pen.Width := 1;
end;
end;
procedure Lineation(FHandle: THandle;FormCanvas: TCanvas; FCenterX,FCenterY,FRadius: Integer;
FAzimuth, FPlunge, FSymbolSize : Single; Fz: Integer; FNumbering,
FFillFlag: Boolean;FSymbol : TPlotSymbol; FBrush: TBrush; FPen: HPen);
var RP, A,B : Single;
Points4: Array[0..4] of TPoint;
FText: String;
BrushStore: HBrush;
PenStore: HPen;
Fred, Fred2: Single;
Fred3: Integer;
begin
if Abs(FPlunge) >= 89 then FPlunge:=89.99*Sgn(FPlunge);
RP := FRadius*SQRT2*SIN(DegToRad(90-FPlunge)/2);
A:=Rp*Sin(DegToRad(FAzimuth));
B:=Rp*Cos(DegToRad(FAzimuth));
PenStore:=SelectObject(FHandle,FPen);
if FFillFlag then
begin
if (FSymbol<>systar) and (FSymbol<>sycross) then
If FBrush.Color=clWhite then BrushStore:=SelectObject(FHandle, GetStockObject(WHITE_BRUSH))
else if FBrush.Color=clBlack then BrushStore:=SelectObject(FHandle, GetStockObject(BLACK_BRUSH))
else BrushStore:=SelectObject(FHandle,FBrush.Handle);
end else SelectObject(FHandle,GetStockObject(HOLLOW_BRUSH));
Case FSymbol of {Draw pole of lineation}
syCross :
begin
MoveToEx(FHandle,Round(FCenterX+A-FSymbolSize), Round(FCenterY-B),Nil);
LineTo(FHandle,Round(FCenterX+A+FSymbolSize+1), Round(FCenterY-B));
MoveToEx(FHandle,Round(FCenterX+A), Round(FCenterY-B-FSymbolSize), Nil);
LineTo(FHandle,Round(FCenterX+A), Round(FCenterY-B+FSymbolSize+1));
end;
syCircle :
begin
Ellipse(FHandle,Round(FCenterX+A-FSymbolSize), Round(FCenterY-B-FSymbolSize),
Round(FCenterX+A+FSymbolSize), Round(FCenterY-B+FSymbolSize));
end;
syStar :
begin
MoveToEx(FHandle,Round(FCenterX+A-FSymbolSize), Round(FCenterY-B),nil);
LineTo(FHandle,Round(FCenterX+A+FSymbolSize+1), Round(FCenterY-B));
MoveToEx(FHandle,Round(FCenterX+A), Round(FCenterY-B-FSymbolSize),nil);
LineTo(FHandle,Round(FCenterX+A), Round(FCenterY-B+FSymbolSize+1));
MoveToEx(FHandle,Round(FCenterX+A-FSymbolSize), Round(FCenterY-B-FSymbolSize),nil);
LineTo(FHandle,Round(FCenterX+A+FSymbolSize+1), Round(FCenterY-B+FSymbolSize+1));
MoveToEx(FHandle,Round(FCenterX+A+FSymbolSize), Round(FCenterY-B-FSymbolSize),nil);
LineTo(FHandle,Round(FCenterX+A-FSymbolSize-1), Round(FCenterY-B+FSymbolSize+1));
end;
syTriangle :
begin
Points4[0].x:=Round(FCenterX+A-FSymbolSize);
Points4[0].y:=Round(FCenterY-B+FSymbolSize);
Points4[1].x:=Round(FCenterX+A);
Points4[1].y:=Round(FCenterY-B-FSymbolSize);
Points4[2].x:=Round(FCenterX+A+FSymbolSize);
Points4[2].y:=Round(FCenterY-B+FSymbolSize);
Points4[3].x:=Round(FCenterX+A-FSymbolSize);
Points4[3].y:=Round(FCenterY-B+FSymbolSize);
Polygon(FHandle,Points4,4);
end;
syRectangle :
begin
Windows.Rectangle(FHandle,Round(FCenterX+A-FSymbolSize), Round(FCenterY-B-FSymbolSize),
Round(FCenterX+A+FSymbolSize), Round(FCenterY-B+FSymbolSize));
end;
syRhombohedron:
begin
Points4[0].x:=Round(FCenterX+A);
Points4[0].y:=Round(FCenterY-B-FSymbolSize);
Points4[1].x:=Round(FCenterX+A+FSymbolSize);
Points4[1].y:=Round(FCenterY-B);
Points4[2].x:=Round(FCenterX+A);
Points4[2].y:=Round(FCenterY-B+FSymbolSize);
Points4[3].x:=Round(FCenterX+A-FSymbolSize);
Points4[3].y:=Round(FCenterY-B);
Points4[4].x:=Points4[0].x;
Points4[4].y:=Points4[0].y;
Polygon(FHandle,Points4,5);
end;
syNumber:
begin
FText:=IntToStr(Fz+1);
Fred:=FormCanvas.Font.Height/2;
Fred3:=Length(FText);
Fred2:=Fred3*Fred/2;
TextOut(FHandle, Round(FCenterX+A+Fred2), Round(FCenterY-B+Fred), PChar(FText), Fred3);
end;
end;
if FFillFlag then
if (FSymbol<>systar) and (FSymbol<>sycross) then
SelectObject(FHandle,BrushStore);
SelectObject(FHandle,GetStockObject(HOLLOW_BRUSH));
SelectObject(FHandle,PenStore);
If FNumbering and (FSymbol<>syNumber) then //Numbering poles if symbol<>number
begin
FText:=IntToStr(Fz+1);
SelectObject(FHandle,GetStockObject(HOLLOW_BRUSH));
TextOut(FHandle,Round(FCenterX+A+7), Round(FCenterY-B-FormCanvas.TextHeight(FText)/2), PChar(FText), Length(FText));
end;
end;
function CalculateMousePos(FPaintBox: TPaintBox; X,Y: Integer;
var MouseAzimuth, MouseDip :Single; FPoleflag: Boolean): Boolean;
var Dummy1,Dummy2: LongInt;
MouseRadius, A, B: Single;
begin
MouseRadius := 2*Min(FPaintbox.Width,FPaintbox.Height)/5;
Dummy1:=2*X-FPaintbox.Width;
Dummy2:=2*Y-FPaintbox.Height;
if Dummy1*Dummy1+Dummy2*Dummy2<=4*MouseRadius*MouseRadius then
begin
FPaintBox.Cursor := crCross;
if MouseRadius= 0 then MouseRadius := 0.01;
A:=FPaintbox.Width/2-X;
B:=Y-FPaintbox.Height/2;
if B<>0 then
begin
MouseAzimuth:=RadToDeg(ArcTan(A/B));
If B>0 then MouseAzimuth:= MouseAzimuth+180
else
begin
If A>0 then MouseAzimuth:= MouseAzimuth+360;
If Round(MouseAzimuth)=360 then MouseAzimuth:=0; //round bugfix build 1.149
end;
end
else
If A>0 then MouseAzimuth:= 270
else if A=0 then MouseAzimuth := 0
else MouseAzimuth := 90;
MouseDip:=90-2*RadToDeg(ArcSin(Sqrt((A*A+B*B)/2)/MouseRadius));
{$DEFINE Debugging}
{$UNDEF Debugging}
{$IFDEF DEBUGGING}
With TecMainWin.StatusBar1.Panels do
begin
Items[1].Text := 'MouseAzim';
Items[2].Text := FloatToString(MouseAzimuth, 3,1);
end;
{$ELSE}
If FPoleFlag then
begin
MouseAzimuth:=Trunc((MouseAzimuth +180)) mod 360+ Frac(MouseAzimuth);
MouseDip:=90-MouseDip;
end;
{$ENDIF}
Result:=true;
end
else
begin
FPaintBox.Cursor := crDefault;
Result:=false;
end;
end;
Function WMFtoDXFHGL(
DC:hDC; // handle of device context
HANDLETABLE: PHandletable; // address of metafile handle table
METARECORD: PMetarecord; // address of metafile record
nObj: Integer; // count of objects
MyVectorFile: TVectorgraphics // address of optional data
): Integer ; stdcall;
var Stringdummy: string;
i,j,k, FRadius: integer;
highbyte: byte;
begin
If not MyVectorfile.notfirstknoten then with MyVectorfile do
begin
NoofGDIObj:=nobj;
j:=Sizeof(MyOBJTable^[0])*(NoofGDIObj+1);
GetMem(MyOBJTable,j);
For i:=0 to NoofGDIOBJ do
MyOBJTable^[i].GDIObjType:=gdi_void;
notfirstknoten:=true;
end;
With METARECORD^ do
case rdFunction of
META_MOVETO:
begin
i:=0;
j:=1;
MyVectorFile.MoveTo(rdParm[j],rdParm[i]);
end;
META_LINETO:
begin
i:=1;
j:=0;
MyVectorFile.Lineto(rdParm[i],rdParm[j]);
end;
META_ELLIPSE:
begin
i:=1;
j:=0;
k:=3;
FRadius:= round((rdParm[i]-rdParm[k])/2);
MyVectorFile.Circle(rdParm[i]-FRadius,rdParm[j]-FRadius,FRadius);
end;
META_POLYLINE:
begin
If MyVectorFile.IsDXF then with MyVectorFile as TDXFFile do